Substance use treatment; Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children; Outpatient; Residential/24-hour residential; Regular outpatient treatment; Long-term residential; Buprenorphine used in Treatment; Naltrexone used in Treatment; Other contracted prescribing entity; No formal relationship with prescribing entity; Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere; Other contracted prescribing entity; No formal relationship with prescribing entity; Buprenorphine detoxification; Buprenorphine maintenance; Relapse prevention with naltrexone; Accepts clients using MAT but prescribed elsewhere; Buprenorphine with naloxone; Buprenorphine without naloxone; Naltrexone (oral); Anger management; Brief intervention; Motivational interviewing; Relapse prevention; Substance use disorder counseling; Telemedicine/telehealth therapy; Trauma-related counseling; 12-step facilitation; Private non-profit organization; State Substance use treatment agency; Commission on Accreditation of Rehabilitation Facilities (CARF); Federal, or any government funding for substance use treatment programs; Medicaid; Payment assistance (check with facility for details); Sliding fee scale (fee is based on income and other factors); Adolescents; Young adults; Adult women; Pregnant/postpartum women; Clients with co-occurring mental and substance use disorders; Clients with co-occurring pain and substance use disorders; Outreach to persons in the community; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Professional interventionist/educational consultant; Drug or alcohol urine screening; HIV testing; STD testing; TB screening; Aftercare/continuing care; Discharge Planning; Naloxone and overdose education; Outcome follow-up after discharge; Self-help groups; Housing services; Assistance with obtaining social services; Mentoring/peer support; HIV or AIDS education, counseling, or support; Hepatitis education, counseling, or support; Health education services other than HIV/AIDS or hepatitis; Substance use disorder education; Individual counseling; Group counseling; Family counseling; Smoking permitted in designated area; Adults; Children/adolescents; Female; Male; Sign language services for the deaf and hard of hearing; Residential beds for clients’ children; Case management service; Child care for clients’ children; Social skills development; Transportation assistance